Finding the Fourth Proportional to 159,438,315.24, 239,157,475.74 and 38,269,767.24
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Solution
The fourth proportional to 159,438,315.24, 239,157,475.74 and 38,269,767.24 is: 57,404,651.55
Step by Step Solution
- Step 1: Write the proportion equation
159,438,315.24 : 239,157,475.74 = 38,269,767.24 : x - Step 2: Convert to fraction form
159,438,315.24/239,157,475.74 = 38,269,767.24/x - Step 3: Cross multiply
159,438,315.24x = 239,157,475.74 × 38,269,767.24 - Step 4: Simplify right side
159,438,315.24x = 9,152,500,930,275,748 - Step 5: Solve for x
x = 9,152,500,930,275,748/159,438,315.24 - Step 6: Final answer
x = 57,404,651.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.